- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 53°3'29"N 4°13'2"W
- Eastings/Northings: 251500, 353500
- OS Grid: SH515535
- Mapcode Local: GBR 5L.C822
- Mapcode Global: WH54Z.6D1G
Location and coordinates are for the approximate centre of Llyn Nantlle Uchaf within this administrative area.
Geographic features and populated places may cross administrative borders.